Librarian Bot: Add language metadata for dataset (#2)

- Librarian Bot: Add language metadata for dataset (77449dbca7a58876819680a6475cca18e77f4c7a)


Co-authored-by: Librarian Bot (Bot) <[email protected]>

README.md

@@ -1,4 +1,6 @@
 ---
+language:
+- en
 license: cc-by-sa-4.0
 configs:
 - config_name: case-description